Oculus Rift is Capable of "Room Scale" with a Single Camera, it's Just Not Optimized for it
Easiest Setup for Oculus Rift Room-scale Tracking (without drilling holes)
RoomShift: Room-scale Dynamic Haptics for VR with Furniture-moving Swarm Robots
Oculus Details Ideal Sensor Configurations for Roomscale VR with Touch
My 2 sensor room scale config. Experimental set up with different levels doing a great job capturing high/low in 360! (optimal play space here) : r/ oculus